Home / 1,458,043.80-2,187,065.70-393,047.70

Finding the Fourth Proportional to 1,458,043.80, 2,187,065.70 and 393,047.70

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Solution

The fourth proportional to 1,458,043.80, 2,187,065.70 and 393,047.70 is: 589,571.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,458,043.80 : 2,187,065.70 = 393,047.70 : x
  2. Step 2: Convert to fraction form
    1,458,043.80/2,187,065.70 = 393,047.70/x
  3. Step 3: Cross multiply
    1,458,043.80x = 2,187,065.70 × 393,047.70
  4. Step 4: Simplify right side
    1,458,043.80x = 859,621,143,133.89
  5. Step 5: Solve for x
    x = 859,621,143,133.89/1,458,043.80
  6. Step 6: Final answer
    x = 589,571.55

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.